We help the world since 2012
PV String Monitoring Power Supply
High Voltage DC-DC Converter for PV String Monitoring
Reliable Power for Smart PV Monitoring
✓ 200-1200VDC Ultra-Wide Input
✓ 24VDC Regulated Output
✓ 1500VAC Isolation
✓ Suitable for Outdoor PV Monitoring
✓ Direct Power from PV Strings
Why PV String Monitoring Systems Need High Voltage DC-DC Converters
Direct Power from PV Strings
No external AC power required.
Simplified Installation
Reduce wiring and infrastructure costs.
Reliable Outdoor Operation
Stable performance in harsh PV environments.
Recommended Model
25W Isolated DC-DC Converter
for PV String Monitoring Systems
- Input: 200–1200VDC
- Output: 24VDC
- Output Current: 1.04A
- Power Rating: 25W
- Isolation: 1500VAC
- Efficiency: Up to 85%
- Custom Designs Available
Typical PV Monitoring Power Supply Architecture
PV String
200-1200VDC
PHV25-1200S24
DC-DC Converter
24VDC Output
Stable Power
Monitoring Unit
Logger / Controller
Cloud Monitoring
SCADA Platform
Typical Applications
PV String Monitoring
Monitor voltage and current of individual PV strings.
Combiner Box Monitoring
Provide isolated power for combiner box monitoring devices.
Solar Tracker Control
Supply stable power for solar tracker controllers.
Remote Communication
Power remote communication and data acquisition equipment.
Why Choose CHONDA
- Wide Input Range up to 1200VDC
- High Isolation Design
- Industrial Reliability
- Short Circuit Protection
- Long Service Life
- Custom Solutions Available
Technical Specifications
Parameter
Input Voltage
Output Voltage
Output Current
Output Power
Isolation Voltage
Efficiency
Operating Temperature
Protection
Value
200-1200VDC
24VDC
1.04A
25W
1500VAC
Up to 85%
-40°C to +85°C
Short Circuit, Over Temperature
PV Monitoring Power Supply FAQ
Q1. Can the converter be powered directly from a PV string?
Yes. The PHV25-1200S24 accepts a wide input range of 200–1200VDC and can be powered directly from photovoltaic strings without requiring an external AC power source.
Q2. What output voltage is available?
The standard model provides a regulated 24VDC output. Other output voltages may be available for custom projects.
Q3. Is isolation provided between input and output?
Yes. The converter provides 1500VAC isolation between input and output to improve system safety and reliability.
Q4. What applications is this converter suitable for?
It is commonly used in PV string monitoring systems, combiner box monitoring, solar tracker controllers, remote communication equipment, and environmental monitoring devices.
Q5. Does the converter include protection functions?
Yes. Protection features include short-circuit protection and over-temperature protection for reliable operation in industrial environments.
Q6. Can CHONDA provide customized solutions?
Yes. CHONDA can customize input range, output voltage, power rating, isolation level, and mechanical design according to project requirements.
Need a Datasheet or Custom Solution?
Looking for a reliable power supply for your PV monitoring project?
Request Datasheet
Download detailed specifications and application information.
Contact Our Engineering Team
Discuss your project requirements with our engineers.